Evolutionary trends of industry variables

    Authors

    R. Agarwal

    Comments

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    Abbreviated Journal Title

    Int. J. Ind. Organ.

    Keywords

    evolution; product life-cycle; time-trends; DIFFUSION; SURVIVAL; ENTRY; EXIT; Economics

    Abstract

    The paper offer's empirical evidence on the evolutionary trends of industry variables. It investigates the time path of patents, product price and quantity, and number of firms from the first introduction of a product to maturity of the market. The paper extends earlier work by Gort and Klepper by expanding the data on products through 1991, and augmenting it with new products and new data sources. The reexamination of the aging patterns reveal the Gort and Klepper results to be robust. The time trends follow the expected patterns with remarkable consistency and are strongly significant for most products. New evidence on patenting activity reveal an eventual decline in technological activity over the later years of the product market life-cycle. (C) 1998 Elsevier Science B.V.

    Journal Title

    International Journal of Industrial Organization

    Volume

    16

    Issue/Number

    4

    Publication Date

    1-1-1998

    Document Type

    Article

    Language

    English

    First Page

    511

    Last Page

    525

    WOS Identifier

    WOS:000073430400006

    ISSN

    0167-7187

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